Re: speed difference between using hard-linked and modular drives?

[Andi Kleen]

Ingo Molnar <[e-mail]> writes:
> 
> we should fix this by trying to allocate continuous physical memory if
> possible, and fall back to vmalloc() only if this allocation fails.

Check -aa. A patch to do that has been in there for some time now.

-Andi

P.S.: It makes a measurable difference with some Oracle benchmarks with
the Qlogic driver.